[llvm] [mlir][spirv] Add mlir-spirv-tests CI to run for mlir-spv target tests (PR #152124)

[Davide Grohmann via llvm-commits]

https://github.com/davidegrohmann updated https://github.com/llvm/llvm-project/pull/152124

>From 03011797d679f2ac46af635f7a347ccee5df857c Mon Sep 17 00:00:00 2001
From: Davide Grohmann <davide.grohmann at arm.com>
Date: Tue, 5 Aug 2025 13:02:03 +0200
Subject: [PATCH 1/3] [mlir][spv] Add mlir-spirv-tests CI to run for mlir-spv
 target tests

This should execute also the MLIR SPIRV Target tests which require the
SPIRV-Tools validation

Signed-off-by: Davide Grohmann <davide.grohmann at arm.com>
Change-Id: Ied323152e36b95d6f21ed7d4ce4f5f813f280f17
---
 .github/workflows/mlir-spirv-tests.yml | 28 ++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 .github/workflows/mlir-spirv-tests.yml

diff --git a/.github/workflows/mlir-spirv-tests.yml b/.github/workflows/mlir-spirv-tests.yml
new file mode 100644
index 0000000000000..7b962b36d6583
--- /dev/null
+++ b/.github/workflows/mlir-spirv-tests.yml
@@ -0,0 +1,28 @@
+name: MLIR SPIR-V Tests
+
+permissions:
+  contents: read
+
+on:
+  workflow_dispatch:
+  pull_request:
+    paths:
+      - 'mlir/test/Target/SPIRV/**'
+      - '.github/workflows/mlir-spirv-tests.yml'
+
+concurrency:
+  # Skip intermediate builds: always.
+  # Cancel intermediate builds: only if it is a pull request build.
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}
+
+jobs:
+  check_spirv:
+    if: github.repository_owner == 'llvm'
+    name: Test MLIR SPIR-V
+    uses: ./.github/workflows/llvm-project-tests.yml
+    with:
+      build_target: check-mlir
+      projects: mlir
+      extra_cmake_args: '-DLLVM_TARGETS_TO_BUILD="X86" -DLLVM_INCLUDE_SPIRV_TOOLS_TESTS=ON'
+      os_list: '["ubuntu-24.04"]'

>From 58e0c07a944fa70f5aaf5217809486ad9720afea Mon Sep 17 00:00:00 2001
From: Davide Grohmann <davide.grohmann at arm.com>
Date: Wed, 6 Aug 2025 16:15:45 +0200
Subject: [PATCH 2/3] Change LLVM_TARGETS_TO_BUILD from X86 to host

Signed-off-by: Davide Grohmann <davide.grohmann at arm.com>
Change-Id: I52a5fcf79aba2c272a2ac6a4dc2c393a02b398d9
---
 .github/workflows/mlir-spirv-tests.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/mlir-spirv-tests.yml b/.github/workflows/mlir-spirv-tests.yml
index 7b962b36d6583..0ebf2d5b80b62 100644
--- a/.github/workflows/mlir-spirv-tests.yml
+++ b/.github/workflows/mlir-spirv-tests.yml
@@ -24,5 +24,5 @@ jobs:
     with:
       build_target: check-mlir
       projects: mlir
-      extra_cmake_args: '-DLLVM_TARGETS_TO_BUILD="X86" -DLLVM_INCLUDE_SPIRV_TOOLS_TESTS=ON'
+      extra_cmake_args: '-DLLVM_TARGETS_TO_BUILD="host" -DLLVM_INCLUDE_SPIRV_TOOLS_TESTS=ON'
       os_list: '["ubuntu-24.04"]'

>From 1ffc7587a48fabb7d83cfa83faa8fc4d7efd4b48 Mon Sep 17 00:00:00 2001
From: Davide Grohmann <davide.grohmann at arm.com>
Date: Thu, 7 Aug 2025 09:45:36 +0200
Subject: [PATCH 3/3] Extend triggering paths

- add SPIRV dialect definition and implementation
- add serialization/deserialization implementation

Signed-off-by: Davide Grohmann <davide.grohmann at arm.com>
Change-Id: Ib63045fec041ba7a2d52b527589c30157ed56258
---
 .github/workflows/mlir-spirv-tests.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/mlir-spirv-tests.yml b/.github/workflows/mlir-spirv-tests.yml
index 0ebf2d5b80b62..66c44311bbbd9 100644
--- a/.github/workflows/mlir-spirv-tests.yml
+++ b/.github/workflows/mlir-spirv-tests.yml
@@ -7,6 +7,9 @@ on:
   workflow_dispatch:
   pull_request:
     paths:
+      - 'mlir/include/mlir/Dialect/SPIRV/**'
+      - 'mlir/lib/Dialect/SPIRV/**'
+      - 'mlir/lib/Target/SPIRV/**'
       - 'mlir/test/Target/SPIRV/**'
       - '.github/workflows/mlir-spirv-tests.yml'